Finding the Fourth Proportional to 2,194,547.28, 3,028,479.72 and 1,227,693.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,194,547.28 : 3,028,479.72 = 1,227,693.72 : x
2. Step 2: Convert to fraction form
   2,194,547.28/3,028,479.72 = 1,227,693.72/x
3. Step 3: Cross multiply
   2,194,547.28x = 3,028,479.72 × 1,227,693.72
4. Step 4: Simplify right side
   2,194,547.28x = 3,718,045,533,391.36
5. Step 5: Solve for x
   x = 3,718,045,533,391.36/2,194,547.28
6. Step 6: Final answer
   x = 1,694,219.84